counterlath

Noun

 * 1) A batten laid lengthwise between two rafters as a bearing for laths laid crosswise.
 * 2) Any lath laid without actual measurement between two gauged laths.
 * 3) Any of a series of laths nailed to the timbers to raise the sheet lathing above their surface to afford a key for plastering.
 * 4) One of many laths used in preparing one side of a partition or framed wall, when the other side has been covered in and finished.

Verb

 * 1)  To fit or supply with a counterlath.